#!/usr/bin/python3
# Copyright 2022 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Targets https://github.com/advisories/GHSA-mv2w-4jqc-6fg4."""

import sys
import atheris
import pysecsan
from libvcs.shortcuts import create_repo

pysecsan.add_hooks()


def test_one_input(data):
  """Target code injection in libvcs."""
  fdp = atheris.FuzzedDataProvider(data)
  mercurial_repo = create_repo(url=fdp.ConsumeUnicodeNoSurrogates(128),
                               vcs='hg',
                               repo_dir='./')
  try:
    mercurial_repo.update_repo()
  except (ValueError, FileNotFoundError) as exception:
    _ = exception  # Satisfy lint


def main():
  """Set up and start fuzzing."""
  atheris.instrument_all()
  atheris.Setup(sys.argv, test_one_input, enable_python_coverage=True)
  atheris.Fuzz()


if __name__ == '__main__':
  main()
